Perhaps you should try some spelling variations:
oto-rhino-laryngology » otto-rhino-laryngology, onto-rhino-laryngology, otro-rhino-laryngology, oto-reino-laryngology, oto-rhino-otolaryngology
oto-rhine-laryngology » otto-rhine-laryngology, onto-rhine-laryngology, otro-rhine-laryngology, oto-rhine-otolaryngology, oto-chine-laryngology
opto-rhino-laryngology » opto-reino-laryngology, opto-rhino-otolaryngology, otto-rhino-laryngology, onto-rhino-laryngology, opt-rhino-laryngology

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (advances OR advanced) in ((oto-rhino-laryngology OR oto-rhine-laryngology) OR opto-rhino-laryngology).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(advances or advanced) in ((oto-rhino-laryngology OR oto-rhine-laryngology) or opto-rhino-laryngology)".
• Adding a wildcard symbol may retrieve word variants: (advances or advanced) in ((oto-rhino-laryngology OR oto-rhine-laryngology) or opto-rhino-laryngology)*.